connector {
  provider: .mysql,
  url: "mysql://localhost:3306/oct22",
}

server {
  bind: ("0.0.0.0", 5500),
}

enum Sex {
  male
  female
}

@action(.create | .update | .delete | .copy | .find)
model User {
  @id @readonly @autoIncrement @db(.text)
  id: Int
  is: Int
  @db(.varChar(181))
  name: String
  age: Int?
  @default(.male)
  sex: Sex
  @relation(fields: [.id, .is], references: [.userId, .userIs])
  posts: Post[]
}

model Post {
  @id @readonly @autoIncrement
  id: Int
  @std.db(.varChar(101))
  name: String
  userIs: Int
  @foreignKey
  userId: Int
  @relation(fields: .userId, references: .id)
  user: User
}

model Artist {
  @id @readonly @autoIncrement
  id: Int
  name: String
  @relation(through: Perform, local: .artist, foreign: .song)
  songs: Song[]
}

model Song {
  @id @readonly @autoIncrement
  id: Int
  name: String
  @relation(through: Perform, local: , foreign: .artist)
}

@id([.songId, .artistId])
model Perform {
  @relation(fields: .songId, references: .id)
  song: Song
  @relation(fields: .artistId, references: .id)
  artist: Artist
  @foreignKey
  songId: Int
  @foreignKey
  artistId: Int
}